The Mariners announced that they designated right-hander Chaz Roe for assignment to create 40-man roster space for catcher Jose Yepez. The backstop takes the 25-man roster spot of Erik Bedard, who is going on the 15-day disabled list with a sprained knee.
Roe, 24, has a 6.41 ERA with 7.0 K/9 and 3.3 BB/9 for the Mariners' Triple-A affiliate. The former first rounder had a respectable 115K/53BB ratio in 2010, but ended up with a similarly high ERA (5.98). The Mariners acquired Roe from the Rockies for Jose Lopez last offseason at the deadline for teams to tender contracts to arbitration eligible players.